Osmium
facet 76 of periodic table is Osmium with atomic number 76, atomic weight 190.23. Osmium, price Os, has a simple Hexagonal structure and also SlateGray color. Osmium is a change metal element. Recognize everything about Osmium Facts, physical Properties, chemical Properties, electronic configuration, Atomic and Crystal Structure.
Osmium (from Greek osme (ὀσμή) an interpretation "smell") is a chemical element with prize Os and also atomic number 76. The is a hard, brittle, bluish-white change metal in the platinum team that is found as a trace element in alloys, mostly in platinum ores. Osmium is the densest naturally arising element, with a thickness of 7004225900000000000♠22.59 g/cm3.
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Osmium Facts
Read key information and also facts about element Osmium
| surname | Osmium |
| atomic Number | 76 |
| atomic Symbol | Os |
| Atomic weight | 190.23 |
| step | Solid |
| shade | SlateGray |
| Classification | transition metal |
| team in routine Table | 8 |
| Group Name | iron family members |
| duration in periodic Table | 6 |
| Block in routine Table | d-block |
| Electronic Configuration | |
| Melting point | 3033 °C |
| Boiling point | 5012 °C |
| Electronic shell Structure | <2, 8, 18, 32, 14, 2> |
| CAS Number | CAS7440-04-2 |
neighborhood
43
Tc
44
Ru
45
Rh
75
Re
76
Os
77
Ir
107
Bh
108
Hs
109
Mt
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | |
| 1 | 1 H 2 He | |||||||||||||||||
| 2 | 3 Li 4 Be 5 B 6 C 7 N 8 O 9 F 10 Ne | |||||||||||||||||
| 3 | 11 Na 12 Mg 13 Al 14 Si 15 P 16 S 17 Cl 18 Ar | |||||||||||||||||
| 4 | 19 K 20 Ca 21 Sc 22 Ti 23 V 24 Cr 25 Mn 26 Fe 27 Co 28 Ni 29 Cu 30 Zn 31 Ga 32 Ge 33 As 34 Se 35 Br 36 Kr | |||||||||||||||||
| 5 | 37 Rb 38 Sr 39 Y 40 Zr 41 Nb 42 Mo 43 Tc 44 Ru 45 Rh 46 Pd 47 Ag 48 Cd 49 In 50 Sn 51 Sb 52 Te 53 I 54 Xe | |||||||||||||||||
| 6 | 55 Cs 56 Ba 72 Hf 73 Ta 74 W 75 Re 76 Os 77 Ir 78 Pt 79 Au 80 Hg 81 Tl 82 Pb 83 Bi 84 Po 85 At 86 Rn | |||||||||||||||||
| 7 | 87 Fr 88 Ra 104 Rf 105 Db 106 Sg 107 Bh 108 Hs 109 Mt 110 Ds 111 Rg 112 Cn 113 Nh 114 Fl 115 Mc 116 Lv 117 Ts 118 Og | |||||||||||||||||
| Lanthanides | 57 La 58 Ce 59 Pr 60 Nd 61 Pm 62 Sm 63 Eu 64 Gd 65 Tb 66 Dy 67 Ho 68 Er 69 Tm 70 Yb 71 Lu | |||||||||||||||||
| Actinide | 89 Ac 90 Th 91 Pa 92 U 93 Np 94 Pu 95 Am 96 Cm 97 Bk 98 Cf 99 Es 100 Fm 101 Md 102 No 103 Lr |
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How to find Osmium on routine Table
Periodic table is arranged by atomic number, variety of protons in the nucleus which is very same as number of electrons. The atom number boosts from left come right. Periodic table beginning at optimal left ( atom number 1) and also ends at bottom ideal (atomic number 118). Therefore you can straight look for atomic number 76 to discover Osmium on regular table.
Another method to read periodic table and locate an aspect is through using group number (column) and duration number (row). To locate Osmium on routine table look because that cross ar of group 8 and period 6 in the contemporary periodic table.
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Table the Contents
History
Abundance
Physical Properties
Thermal Properties
Crystal Structure
Atomic & orbital Properties
Chemical Properties
Isotopes
Health and also Safety Parameters and Guidelines
Databases
Compare Osmium with various other elements
Osmium History
The element Osmium was uncovered by Smithson Tennant in year 1803 in uk . Osmium obtained its surname from the Greek osmè, an interpretation "smell"
Osmium Presence: variety in Nature and Around Us
The table listed below shows the diversity of Osmium in Universe, Sun, Meteorites, Earth"s Crust, Oceans and also Human Body.
| diversity in cosmos | 3×10-7% |
| diversity in sun | 2×10-7% |
| diversity in Meteorites | 6.6e-07 |
| Abundance in Earth"s crust | 1.8×10-7% |
| abundance in oceans | N/A |
| abundance in people | N/A |
Crystal framework of Osmium
The heavy state structure of Osmium is Simple Hexagonal.
The decision structure deserve to be described in terms of its unit Cell. The unit cells repeats itself in 3 dimensional space to type the structure.
Unit cabinet Parameters
The unit cell is stood for in terms of its lattice parameters, which room the lengths of the cabinet edges Lattice Constants (a, b and also c)
| 273.44 | 273.44 | 431.73 pm |
and the angles in between them Lattice angle (alpha, beta and also gamma).
| π/2 | π/2 | 2 π/3 |
The positions of the atoms within the unit cabinet are explained by the collection of atom positions ( xi, yi, zi) measured native a reference lattice point.
The symmetry properties of the decision are described by the concept of room groups. All feasible symmetric species of corpuscle in three-dimensional space are described by the 230 an are groups (219 unique types, or 230 if chiral duplicates are considered distinct.
| space Group surname | P63/mmc |  |
| room Group Number | 194 | |
| Crystal structure | Simple Hexagonal |
Osmium Atomic and also Orbital Properties
Osmium atoms have actually 76 electrons and also the digital shell framework is <2, 8, 18, 32, 14, 2> through Atomic ax Symbol (Quantum Numbers) 5D4.
| atomic Number | 76 |
| Number of electrons (with no charge) | 76 |
| Number that Protons | 76 |
| Mass Number | 190 |
| Number that Neutrons | 114 |
| Shell structure (Electrons per power level) | <2, 8, 18, 32, 14, 2> |
| Electron construction | |
| Valence Electrons | 5d6 6s2 |
| Oxidation State | -4;-2;-1 1;2;3;4;5;6;7;8 |
| Atomic hatchet Symbol (Quantum Numbers) | 5D4 |
Shell structure of Osmium - electron per power level
Ground State digital Configuration that Osmium - neutral Osmium atom
The floor state electronic configuration of Neutral Osmium atom isSee more: What Is The Main Purpose Of Being On Offense? ? What Is The Example Of Offense
Unabbreviated electronic configuration that neutral Osmium
Complete soil state electronic configuration for the Osmium atom, Unabbreviated digital configuration
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d6 6s2
Atomic structure of Osmium
Osmium atomic radius is 185 pm, if it"s covalent radius is 128 pm.
| atom Radius | 185 afternoon (1.85 Å) |
| Atomic Volume | 8.42098273572 cm3 |
| Covalent Radius | 128 afternoon (1.28 Å) |
| valve der Waals Radius | N/A |
| neutron Cross section | 15 σa/barns |
Atomic Spectrum of Osmium
Osmium chemical Properties: Osmium Ionization Energies and electron affinity
The electron affinity of Osmium is 106.1 kJ/mol
| Valence | 6 |
| Electronegativity | 2.2 |
| ElectronAffinity | 106.1 kJ/mol |
Ionization power of Osmium
Refer come table below for Ionization energies the Osmium
| 1 | 840 |
| 2 | 1.6×103 |
Osmium physics Properties
Refer to below table for Osmium physical Properties
| thickness | 22.59 g/cm3 |
| Molar Volume | 8.42098273572 cm3 |
Elastic Properties
| Young Modulus | N/A |
| Shear Modulus | 222 GPa |
| mass Modulus | N/A |
| Poisson proportion | 0.25 |
Hardness that Osmium - exam to measure up of Hardness the Element
| Mohs Hardness | 7 MPa |
| Vickers Hardness | N/A |
| Brinell Hardness | 3920 MPa |
Osmium electrical Properties
Osmium is Conductor of electricity. Refer to table below for the electrical properties the Osmium
| electrical Conductivity | 1.2×107 S/m |
| Resistivity | 8.1×10-8 m Ω |
| Superconducting point | 0.66 |
Osmium Heat and Conduction Properties
| thermal Conductivity | 88 W/(m K) |
| Thermal growth | 5.1×10-6 K-1 |
Osmium Magnetic Properties
| Magnetic type | Paramagnetic |
| Curie point | N/A |
| fixed Magnetic Susceptibility | 6×10-10 |
| Molar Magnetic Susceptibility | 1.1×10-10 |
| Volume Magnetic Susceptibility | 1.4e-05 |
Optical properties of Osmium
| Refractive index | N/A |
Acoustic nature of Osmium
| speed of Sound | 4940 m/s |
Osmium heat Properties - Enthalpies and thermodynamics
Refer come table listed below for heat properties of Osmium
| Melting allude | 3306 K (3033 °C) |
| Boiling suggest | 5285 K (5012 °C) |
| an essential Temperature | N/A |
| Superconducting point | 0.66 |
Enthalpies that Osmium
| heat of blend | 31 kJ/mol |
| warm of Vaporization | 630 kJ/mol |
| heat of burning | N/A |
Osmium isotope - atom Properties that Osmium
Isotopes the rhodium. Naturally occurring Osmium has 6 steady isotope - 184Os, 187Os, 188Os, 189Os, 190Os, 192Os.
| 162Os | ||||
| 163Os | ||||
| 164Os | ||||
| 165Os | ||||
| 166Os | ||||
| 167Os | ||||
| 168Os | ||||
| 169Os | ||||
| 170Os | ||||
| 171Os | ||||
| 172Os | ||||
| 173Os | ||||
| 174Os | ||||
| 175Os | ||||
| 176Os | ||||
| 177Os | ||||
| 178Os | ||||
| 179Os | ||||
| 180Os | ||||
| 181Os | ||||
| 182Os | ||||
| 183Os | ||||
| 184Os | 0.02% | stable | N/A | |
| 185Os | ||||
| 186Os | 1.59% | |||
| 187Os | 1.96% | secure | N/A | |
| 188Os | 13.24% | secure | N/A | |
| 189Os | 16.15% | steady | N/A | |
| 190Os | 26.26% | secure | N/A | |
| 191Os | ||||
| 192Os | 40.78% | secure | N/A | |
| 193Os | ||||
| 194Os | ||||
| 195Os | ||||
| 196Os |
Regulatory and also Health - Health and also Safety Parameters and Guidelines
| CAS Number | CAS7440-04-2 |
| RTECS Number | RTECSRN1100000 |
| dot Hazard course | 4.1 |
| dot Numbers | 3089 |
| EU Number | N/A |
| NFPA Fire Rating | 4 |
| NFPA dangers | N/A |
| NFPA wellness Rating | N/A |
| NFPA Reactivity Rating | 1 |
| Autoignition point | N/A |
| Flashpoint | N/A |
Database Search
list of distinct identifiers to search the facet in miscellaneous chemical registry databases
| CAS Number - chemical Abstracts organization (CAS) | CAS7440-04-2 |
| CID Number | CID23937 |
| Gmelin Number | N/A |
| NSC Number | N/A |
| RTECS Number | RTECSRN1100000 |